Abstract: There is provided a video question answering method and apparatus, an electronic device and a storage medium, which relates to the field of artificial intelligence, such as natural language processing technologies, deep learning technologies, voice recognition technologies, knowledge graph technologies, computer vision technologies, or the like. The method includes: determining M key frames for a video corresponding to a to-be-answered question, M being a positive integer greater than 1 and less than or equal to a number of video frames in the video; and determining an answer corresponding to the question according to the M key frames.

Abstract: A method relating to control of a system including a single-phase three-level quasi-Z type source inverter connected to an LC filter which is in turn connected to a load, the inverter including first and second bridge arms, each including a plurality of switches, the method including the steps of (a) for each of a plurality of consecutive sampling periods (i) determining the duration of a shoot-through period for the next sampling period during which the inverter is in shoot-through mode; (ii) choosing a configuration of the switches for the next sampling period (iii) at the end of the sampling period setting the switches in the chosen configuration for the next sampling period; and (b) at a time during the next sampling period and for the duration of the shoot-through period setting the switches such that the inverter is in shoot-through mode.

Abstract: A method relating to control of a system including a single-phase three-level quasi-Z type source inverter connected to an LC filter which is in turn connected to a load, the inverter including first and second bridge arms, each including a plurality of switches, the method including the steps of (a) for each of a plurality of consecutive sampling periods (i) determining the duration of a shoot-through period for the next sampling period during which the inverter is in shoot-through mode; (ii) choosing a configuration of the switches for the next sampling period (iii) at the end of the sampling period setting the switches in the chosen configuration for the next sampling period; and (b) at a time during the next sampling period and for the duration of the shoot-through period setting the switches such that the inverter is in shoot-through mode.

Abstract: In certain examples, methods and structures are directed to an apparatus having a plurality of stretchable leads, with each of the plurality of stretchable leads including an associated electrode which is to receive electrical signals generated in response to a subject-s heart and to pass the received electrical signals along a respective one of plurality of stretchable leads. The apparatus also includes a patch integrating the stretchable substrate with the plurality of stretchable leads and with the patch having an area for circuitry to reside for collecting the electrical signals passed along each of the plurality of stretchable leads, wherein each of the plurality of stretchable leads is to be on a subject side of the patch. In more particular examples, the circuitry is used to provide a multi-lead ECG based on the electrical signals.

Abstract: The disclosure discloses an integrated automatic sea cucumber cooking and soaking system, which belongs to the technical field of sea cucumber processing.

Abstract: A method of making flexible and stretchable semiconductor devices with reduced footprints can include coating a gate electrode layer having a first composition over an elastomer layer, solidifying a portion of the gate electrode layer by irradiation to form a gate electrode, coating a dielectric layer having a second composition over the gate electrode layer, solidifying a portion of the dielectric layer by the irradiation to form a gate dielectric, coating a semiconductor layer having a third composition over the dielectric layer, solidifying a portion of the semiconductor layer by the irradiation to form a device core, coating a terminal layer having the first composition over the dielectric layer, and solidifying a portion of the terminal layer by the irradiation to form a source electrode and a drain electrode contacting the semiconductor layer.

Abstract: A method for video playing includes in response to detecting that the client displays a preset page, obtaining first configuration information of at least one target video associated with the preset page and local cache information of the client, wherein the first configuration information comprises identification information of the target video, and the local cache information of the client comprises identification information of a video that has been cached by the client. The method further includes determining a video cache state of the client according to the first configuration information and the local cache information, wherein the video cache state is configured to indicate a cache progress of the at least one target video by the client, downloading at least one target video whose caching is not completed according to the video cache state, and in response to a user operation, playing the at least one target video.

Abstract: A method for video playing includes: in response to a playing instruction for a target video, obtaining a first cache progress of the target video; when the first cache progress is less than or equal to a first preset threshold, loading and displaying a first multimedia resource, wherein the first multimedia resource comprises a picture and an audio; during displaying the first multimedia resource, caching the target video.

Abstract: Generating a compound predictor block for a current block of video includes generating, for the current block, a first predictor block using one of inter-prediction or intra-prediction and generating a second predictor block. The first predictor block includes a first pixel and the second predictor block includes a second pixel that is co-located with the first pixel. A first weight is determined for the first pixel using a difference between a value of the first pixel and a value of the second pixel. A second weight is determined for the second pixel using the first weight. The compound predictor block is generated by combining the first predictor block and the second predictor block. The compound predictor block includes a weighted pixel that is determined using a weighted sum of the first pixel and the second pixel using the first weight and the second weight.

Abstract: A method for video playing includes: obtaining a target video file and a target audio file associated with a target video; determining first audio information, second audio information and image information included in the target video file, wherein the first audio information is audio information associated with the image information; playing the target video according to the first audio information, the image information and the target audio file.

Abstract: An initial bit rate determining method and apparatus an electronic device, and a storage medium are disclosed. The method of the disclosure is applied to an electronic device, and includes: in response to a video player starting playback, determining a target bit rate according to a video playback parameter, wherein the video playback parameter is used by the video player to play a video last time; and determining an initial bit rate for a video played back by the video player currently based on the target bit rate; the video playback parameter includes at least one type of parameter among a video bit rate, a video resolution, and a download bandwidth.

Abstract: Generating a compound predictor block of a current block of video can include generating, for the current block, predictor blocks comprising a first predictor block including first predictor pixels and a second predictor block including second predictor pixels; using at least a subset of the first predictor pixels to determine a first weight for a first predictor pixel of the first predictor pixels; obtaining a second weight for a second predictor pixel of the second predictor pixels, where the second predictor pixel is co-located with the first predictor pixel; and generating the compound predictor block by combining the first predictor block and the second predictor block, where the predictor block includes a weighted pixel that is determined using a weighted sum of the first predictor pixel and the second predictor pixel using the first weight and the second weight, respectively.

Abstract: Present implementations can include a method of forming an implantable biochemical sensor, by coating a first substrate with a first solution, etching, by a laser, the first substrate to form one or more electrodes in the first substrate, coating a first face of the electrodes with an elastomer solution, coating a second face of the electrodes with the elastomer solution, solidifying the elastomer coating into an elastomer shell at least partially surrounding the electrodes, and removing at least a portion of the elastomer shell to form implantable electrodes.

Abstract: Example implementations include an implantable device with a first substantially planar panel having a first planar surface and a second planar surface opposite to the first planar surface, at least one electrode portion at the first planar surface, and a panel elasticity corresponding to a tissue elasticity associated with an in vivo nerve, a second substantially planar panel having a first planar surface adhered to the second planar surface of the first panel, at least one sensor portion disposed on the first planar surface of the second panel, and the panel elasticity, and a third substantially planar panel having a first planar surface adhered to the first planar surface of the first panel, and the panel elasticity.

Abstract: Systems and methods in accordance with various embodiments of the invention enable communicating using nested Low Density Parity Check (LDPC) codes. A nested LDPC code is an LDPC code having a full blocklength, where shorter blocklengths of the nested LDPC code can be utilized as shorter blocklength LDPC codes. In certain embodiments, a transmitter utilizes a nested LDPC code to communicate via a point-to-point connection. In several embodiments, multiple transmitters utilize nested LDPC codes to communicate simultaneously via a Random Access Channel. One embodiment includes a transmitter capable of encoding a message as symbols using a nested LDPC code until a feedback message indicating an end of epoch message is received. A receiver can determine whether a decoding rule is satisfied at predetermined decode times and transmit an end of epoch message when the decoder can decode a message based upon the nested LDPC code.

Abstract: Generating a compound predictor block of a current block of video can include generating, for the current block, predictor blocks comprising a first predictor block including first predictor pixels and a second predictor block including second predictor pixels; using at least a subset of the first predictor pixels to determine a first weight for a first predictor pixel of the first predictor pixels; obtaining a second weight for a second predictor pixel of the second predictor pixels, where the second predictor pixel is co-located with the first predictor pixel; and generating the compound predictor block by combining the first predictor block and the second predictor block, where the predictor block includes a weighted pixel that is determined using a weighted sum of the first predictor pixel and the second predictor pixel using the first weight and the second weight, respectively.

Abstract: Generating a compound predictor block of a current block includes generating, for the current block, predictor blocks including a first predictor block formed of first predictor pixels. Using at least a subset of the first predictor pixels, a first modulation value for modulating a first weight to be applied to a first predictor pixel of the first predictor pixels is determined. The compound predictor block is generated using the first predictor pixel, the first weight, and the first modulation value.

Abstract: Regions for texture-based coding are identified using a spatial segmentation and a motion flow segmentation. For frames of a group of frames in a video sequence, a frame is segmented using a first classifier into at least one of a texture region or a non-texture region of an image in the frame. Then, the texture regions of the group of frames are segmented using a second classifier into a texture coding region or a non-texture coding region. The second classifier uses motion across the group of frames as input. Each of the classifiers is generated using a machine-learning process. Blocks of the non-texture region and the non-texture coding region of the current frame are coded using a block-based coding technique, while blocks of the texture coding region are coded using a coding technique that is other than the block-based coding technique.

Abstract: A photo-curable composition includes a fluorinated monomer including cross-linkable functional groups, and a photoinitiator. Manufacturing methods using the photo-curable composition are provided.

Abstract: Encoding a group of frames of a video sequence can include determining a stillness of the group of frames, in response to determining that the stillness of the group of frames meets stillness conditions, encoding the group of frames using a coding structure that is a one-layer coding structure, and, in response to determining that the stillness of the group of frames does not meet the stillness conditions, encoding the group of frames using the coding structure that is a multi-layer coding structure. Instructions for decoding a group of frames include instructions to determine, from an encoded bitstream, an indication of a coding structure used to encode the group of frames, receive the group of frames in a coding order of the coding structure, and decode the group of frames using the coding structure. The indication is one of a one-layer coding structure indication or a multi-layer coding structure indication.